A plurality of electrode means are arranged in water apart from each other, an electric pulse is applied to at least one of the plurality of electrode means, and an electric field and / or a magnetic field is generated around the at least one electrode means. A method, a system for inducing aquatic life by stimulating aquatic life with the electric field and / or magnetic field to induce the aquatic life, and an electrode device used in these methods or systems.水中に複数の電極手段を互いに離間させて配置し、前記複数の電極手段のうちの少なくとも１つの電極手段に電気パルスを印加し、前記少なくとも１つ電極手段の周囲に電界及び／又は磁界を生じさせることにより、該電界及び／又は磁界によって水中生物に刺激を与えて水中生物を誘導する水中生物を誘導する方法、システム、及び、これらの方法又はシステムに用いられる電極装置。
